158001232 has 20 divisors (see below), whose sum is σ = 306336916. Its totient is φ = 78946560.

The previous prime is 158001157. The next prime is 158001253. The reversal of 158001232 is 232100851.

158001232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28132416 + 129868816 = 5304^2 + 11396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31882 + ... + 36502.

Almost surely, 2^158001232 is an apocalyptic number.

It is an amenable number.

158001232 is a deficient number, since it is larger than the sum of its proper divisors (148335684).

158001232 is a wasteful number, since it uses less digits than its factorization.

158001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 158001232 is about 12569.8540962097. The cubic root of 158001232 is about 540.6134227064.

The spelling of 158001232 in words is "one hundred fifty-eight million, one thousand, two hundred thirty-two".